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Finding the Fourth Proportional to 383,269.68, 574,860.48 and 102,764.88

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Solution

The fourth proportional to 383,269.68, 574,860.48 and 102,764.88 is: 154,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,269.68 : 574,860.48 = 102,764.88 : x
  2. Step 2: Convert to fraction form
    383,269.68/574,860.48 = 102,764.88/x
  3. Step 3: Cross multiply
    383,269.68x = 574,860.48 × 102,764.88
  4. Step 4: Simplify right side
    383,269.68x = 59,075,468,243.94
  5. Step 5: Solve for x
    x = 59,075,468,243.94/383,269.68
  6. Step 6: Final answer
    x = 154,135.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.